THURSDAY, May 10 (HealthDay News) -- Despite warnings about the dangers of excess sun exposure, young adults in the United States still get sunburned or use indoor tanning beds, federal health officials said Thursday.

WEDNESDAY, May 9 (HealthDay News) -- Three new studies confirm that the drug lenalidomide can significantly lengthen the time that people with multiple myeloma experience no worsening of their disease, either after having a stem cell transplant or getting chemotherapy.

WEDNESDAY, May 9 (HealthDay News) -- Researchers have completed the first genome sequencing of melanoma, an aggressive and frequently fatal form of skin cancer.

WEDNESDAY, May 9 (HealthDay News) -- Differences in screening account for much of the disparity in both colorectal (colon) cancer incidence and death rates between white and black Americans, a new study says.

WEDNESDAY, May 9 (HealthDay News) -- One in six cancers worldwide is caused by preventable or treatable infections, a new study finds.

TUESDAY, May 8 (HealthDay News) -- Being physically active might lengthen the lives of people with breast and colon cancer, a new study suggests.

TUESDAY, May 8 (HealthDay News) -- Eye color may help predict risk for vitiligo, an autoimmune disease in which the skin loses its pigment, a new study finds.

TUESDAY, May 8 (HealthDay News) -- There is a great deal of genetic diversity in cells shed by cancerous tumors into the bloodstream, a new study has found.

MONDAY, May 7 (HealthDay News) -- Doctors should take the time to counsel children, teens and young adults on the dangers of sun exposure and tanning beds, according to new recommendations from the U.S. Preventive Services Task Force.

SUNDAY, May 6 (HealthDay News) -- Adults and children should be screened routinely for changes in the appearance of their skin, experts advise.